The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 29, 2004
Filed:
Jul. 05, 2002
Shigeru Emoto, Numazu, JP;
Chiaki Tanaka, Tagata-gun, JP;
Naohiro Watanabe, Sunto-gun, JP;
Hiroshi Yamada, Numazu, JP;
Tsunemi Sugiyama, Numazu, JP;
Hiroshi Yamashita, Numazu, JP;
Kazuhito Watanabe, Yokohama, JP;
Masami Tomita, Numazu, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
A method of fixing toner in a belt fixing unit having a fixing roller; a heating roller; an endless fixing belt binding the heating roller and the fixing roller under tension therebetween; a pressure roller disposed to face the fixing roller intervening the fixing belt; and a fixing heater disposed inside one of the pressure roller and the heating roller, the method of fixing includes: a step for fixing a toner image on an image fixing material by conveying the toner image on the image fixing material in between a portion of the fixing belt not touching the fixing roller and the pressure roller; featured by the toner particle being spherical having a roundness of 0.96 or more and contains a colorant and resin component containing a modified polyester resin.